APA (7th ed.) Citation

Duffy, A. (1966). The use of the portable altar: Extra loca sacra. Pontificia Studiorum Universitas a S. Thoma Aq. in Urbe.

Chicago Style (17th ed.) Citation

Duffy, Ambrose. The Use of the Portable Altar: Extra Loca Sacra. Romae: Pontificia Studiorum Universitas a S. Thoma Aq. in Urbe, 1966.

MLA (8th ed.) Citation

Duffy, Ambrose. The Use of the Portable Altar: Extra Loca Sacra. Pontificia Studiorum Universitas a S. Thoma Aq. in Urbe, 1966.